A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2, USG FLEX series firmware versions 4.50 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2, VPN series firmware versions 4.30 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to cause denial of service (DoS) conditions by sending a crafted request to the CAPWAP daemon.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| zyxel | usg_20w-vpn_firmware | 4.16 - 5.37 | - |
| zyxel | usg_2200-vpn_firmware | 4.30 - 5.37 |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
24
Affected Products
2
References
zyxel / usg_20w-vpn_firmware
| - |
| zyxel | usg_flex_100_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_100w_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_200_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_50_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_500_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_50w_firmware | 4.50 - 5.37 | - |
| zyxel | usg_flex_700_firmware | 4.50 - 5.37 | - |
| zyxel | zywall_atp100_firmware | 4.32 - 5.37 | - |
| zyxel | zywall_atp100w_firmware | 4.32 - 5.37 | - |
| zyxel | zywall_atp200_firmware | 4.32 - 5.37 | - |
| zyxel | zywall_atp500_firmware | 4.32 - 5.37 | - |
| zyxel | zywall_atp700_firmware | 4.32 - 5.37 | - |
| zyxel | zywall_atp800_firmware | 4.32 - 5.37 | - |
| zyxel | zywall_vpn100_firmware | 4.30 - 5.37 | - |
| zyxel | zywall_vpn2s_firmware | 4.30 - 5.37 | - |
| zyxel | zywall_vpn300_firmware | 4.30 - 5.37 | - |
| zyxel | zywall_vpn50_firmware | 4.30 - 5.37 | - |
| zyxel | zywall_vpn_100_firmware | 4.30 - 5.37 | - |
| zyxel | zywall_vpn_300_firmware | 4.30 - 5.37 | - |
| zyxel | zywall_vpn_50_firmware | 4.30 - 5.37 | - |
| zyxel | nxc2500_firmware | 6.10\(aaig.0\) - 6.10\(aaig.3\) | - |
| zyxel | nxc5500_firmware | 6.10\(aaos.0\) - 6.10\(aaos.4\) | - |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability
Impact